AMD Radeon HD 6490M vs ATI Mobility Radeon X1900

VS

AMD Radeon HD 6490M ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 256MB VRAM Mobility Radeon X1900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M 's Advantages

Released 4 years late

More VRAM (512GB vs 256GB)

160 additional rendering cores

ATI Mobility Radeon X1900 's Advantages

Larger VRAM bandwidth (30.08GB/s vs 25.60GB/s)

Score

Radeon HD 6490M

VS

Mobility Radeon X1900

Graphics Card

Jan 2011

Release Date

Jan 2007

Vancouver

Generation

M6x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-III

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

470 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

30.08GB/s

Render Config

-

SM Count

-

2

Compute Units

-

160

Shading Units

-

8

TMUs

12

4

ROPs

12

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

4.800 GPixel/s

6.400 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

256.0 GFLOPS

FP32 (float)

-

FP64 (double)

-

Graphics Processor

Seymour

GPU Name

M68

Seymour XTX S3 (216-0809024)

GPU Variant

-

TeraScale 2

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.37 billion

Transistors

0.312 billion

67 mm²

Die Size

230 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

3.0

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